MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Syndrome, Hurler
An inherited error of metabolism in which there is deficiency of the enzyme alpha-L-iduronidase which normally breaks down molecules called mucopolysaccharides. Without the activity of this enzyme, there is an abnormal accumulation of…
Read the definitionRandom terms
Show more- Vestibular apparatus The vestibule and three semicircular canals of the inner ear. Like an internal carpenter's level, these…
- Step protocol See: Step therapy
- PH, urine See: Urine pH
- Daltonism Colorblindness of the red-green type (also known as deuteranopia or deuteranomaly). The term 'Daltonism' is…
- Sickle cell trait The condition in which a person has one copy of the gene for sickle cell (and is called a sickle…
- Canine genome See: Dog genome
- Deafness-ichthyosis-keratitis syndrome See Keratitis-ichthyosis-deafness syndrome
- Totipotent Having unlimited capability. A totipotent cell has the capacity to form an entire organism. Human development…
- Interventional Pertaining to the act of intervening, interfering or interceding with the intent of modifying the outcome…
- Drain A device for removing fluid from a cavity or wound. A drain is typically a tube or wick. As a verb, to allow…
- EMG Electromyogram
- Rotator cuff disease Rotator cuff disease: Damage to the rotator cuff, a group of four tendons that stabilize the shoulder joint…